Johnstonville, California

Johnstonville
Location of Johnstonville in Lassen County, California.
Johnstonville
Location in California
Coordinates: 40°23′04″N 120°35′15″W / 40.38444°N 120.58750°W / 40.38444; -120.58750
CountryUnited States
StateCalifornia
CountyLassen County
Area
  Total
8.631 sq mi (22.354 km2)
  Land8.589 sq mi (22.245 km2)
  Water0.042 sq mi (0.109 km2)  0.49%
Elevation
4,131 ft (1,259 m)
Population
 (2020)
  Total
973
  Density110/sq mi (44/km2)
Time zoneUTC-8 (Pacific (PST))
  Summer (DST)UTC-7 (PDT)
GNIS feature IDs1658868; 2583042
U.S. Geological Survey Geographic Names Information System: Johnstonville, California; U.S. Geological Survey Geographic Names Information System: Johnstonville, California

Johnstonville (formerly, Toadtown) is a census-designated place in Lassen County, California. It is located 4.5 miles (7 km) east-southeast of Susanville, at an elevation of 4131 feet (1259 m). Its population is 973 as of the 2020 census, down from 1,024 from the 2010 census.

The place was founded as Toadtown by settlers in 1857. The name reflected the abundance of toads at the place. A post office operated at Johnstonville from 1902 to 1943. The name honors Robert Johnston, who helped develop the town.